Due to my network configuration and the fact that I use Vonage for my home phone service, I needed to run Untangle in bridged mode. This is where Untangle only has one IP on the external interface and the Internal NIC is bridged to this IP. This allows me to use the Linksys router for my Vonage service and still gain all the benefits of Untangle, without the phone service needing to go through this application.
When I first stood Untangle up in a ESX, I was unable to flow traffic through to the Internet. The solution is simple. The virtual switches that the Untangle VM are connected to need to be set to ALLOW promiscuous mode.
On the Configuration tab of the ESX box, select Networking and then the properties of the vSwitch:
Select the vSwitch and click Edit:
Click on the Security tab and change Promiscuous Mode to Accept:
Click OK and Close
Repeat for all other vSwitch’s attached to Untangle VM.
Now you can enjoy all the benefits of the Untangle Security Appliance except Routing.
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